#455ACC#455ACC

#455ACC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.7% C 0.177 H 271.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#455ACC
RGB	rgb(69, 90, 204)
HSL	hsl(231, 57%, 54%)
HSV	hsv(231, 66%, 80%)
CMYK	cmyk(66.2%, 55.9%, 0%, 20%)
CIE-LAB	lab(42.67, 28.87, -61.64)
CIE-LCH	lch(42.67, 68.07, 295.10°)
OKLab	oklab(51.68% 0.0031 -0.1773)
OKLCH	oklch(51.68% 0.177 271)
XYZ	xyz(17.0058, 12.9356, 58.7157)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#455ACC #CCB745

analogous

#459DCC #455ACC #7345CC

triadic

#455ACC #CC455A #5ACC45

tetradic

#455ACC #CC459D #CCB745 #45CC73

square

#455ACC #CC459D #CCB745 #45CC73

split-complementary

#455ACC #CC7345 #9DCC45

monochromatic

#202E76 #2E40A6 #455ACC #7585D9 #A5AFE6

Accessibility & contrast

On white

5.85

#455ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#455ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #455ACC

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##455ACC	#FFFFFF	#000000	##FFFFFF
##455ACC	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #455acc;
/* rgb */ color: rgb(69, 90, 204);
/* oklch */ color: oklch(51.7% 0.177 271.0);

Tailwind

colors: {
  custom: {
    50: '#8888dc',
    500: '#455acc',
    950: '#000000',
  },
}

SCSS

$custom: #455acc;
$custom-light: #8888dc;
$custom-dark: #000000;

JSON

{
  "hex": "#455acc",
  "rgb": {
    "r": 69,
    "g": 90,
    "b": 204
  },
  "hsl": {
    "h": 230.667,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51683,
    "c": 0.17736,
    "h": 271
  },
  "luminance": 0.12937
}

Semantic roles & 50–950 ramp

primary

#455ACC

secondary

#D3CA99

accent

#C848E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #455ACC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →